.shadow-sm{
	box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1);
}

.shadow-md{
	box-shadow: 0 1px 6px 0 rgba(0,0,0,0.3);
}

.shadow-lg{
	box-shadow: 0 1px 15px 0 rgba(0,0,0,0.5);
}